pam_succeed_if(sshd:auth): requirement "uid >= 1000" not met by user "root"

linux 升级ssh之后,客户端ssh登录不上,ssh日志出现 pam_succeed_if(sshd:auth): requirement "uid >= 1000" not met by user "root"
按照网上说法 将/etc/pam.d/system-auth 中auth requisite pam_succeed_if.so uid >= 1000 quiet_success 注释掉
但是没有效果,有知道怎么设置的吗?

查看一下root用户是否被锁定?